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2003 GMC Sierra 2500 MPG

Based on data from 9 vehicles, 521 fuel-ups and 109,290 miles of driving, the 2003 GMC Sierra 2500 gets a combined Avg MPG of 11.45 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 50 outliers (8.76%) removed.

Following shows the average MPG of each of the 9 vehicles in the system.

2003 GMC Sierra 2500s For Sale Nearby

  • GMC 2500

    2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 5 Speed Extended Cab Pickup
    Added Apr 2022 • 6 Fuel-ups

    Property of rstarkey

  • 12.8 Avg MPG
  • Jimmy

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added Dec 2018 • 389 Fuel-ups

    Property of gseavey

  • 10.8 Avg MPG
  • My Sierra 2500

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed
    Added May 2020 • 4 Fuel-ups

    Property of smith40

  • 10.2 Avg MPG
  • OPA

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed Standard Cab Pickup
    Added May 2018 • 45 Fuel-ups

    Property of Shirt

  • 12.1 Avg MPG
  • Depanneur

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed Extended Cab Pickup
    Added Jan 2019 • 3 Fuel-ups

    Property of Francis13th

  • 10.9 Avg MPG
  • My Sierra 2500

    2003 GMC Sierra 2500 6.0L V8 GAS Automatic 4 Speed
    Added May 2018 • 36 Fuel-ups

    Property of cnamburn

  • 17.4 Avg MPG
  • Truck

    2003 GMC Sierra 2500 SLE 6.0L V8 GAS Automatic 4 Speed
    Added May 2017 • 95 Fuel-ups

    Property of Zachary616

  • 12.5 Avg MPG
  • GMC

    2003 GMC Sierra 2500 SLT 6.0L V8 GAS Automatic 4 Speed
    Added Mar 2017 • 142 Fuel-ups

    Property of RobRice18

  • 11.8 Avg MPG
  • Sierra

    2003 GMC Sierra 2500 GAS V8
    Added Jan 2011 • 232 Fuel-ups

    Property of Sup3rStar

  • 10.9 Avg MPG

Recent Activity

from other GMC Sierra 2500 vehicles (View All)

Tips

Medium Acceleration, shift early, plan ahead

This applies mainly to cars with manual transmission, or aut... ...

by Sathirel

Read more tips